1 definition by DA_OA

Top Definition
A slang phrase used by weightlifters to question what muscle group they are working on, and how much weight they are capable of lifting.
Bruno, watcha buildin today?

Dude, workin the pecs. Peaked at the 300 club and now I'm workin my way down. Can I get a spot?
by DA_OA April 06, 2010

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